forked from lix-project/lix
Add some Rust code
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abb8ef619b
commit
11da5b2816
2
.gitignore
vendored
2
.gitignore
vendored
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@ -119,3 +119,5 @@ GPATH
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GRTAGS
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GSYMS
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GTAGS
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nix-rust/target
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1
Makefile
1
Makefile
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@ -1,6 +1,7 @@
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makefiles = \
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mk/precompiled-headers.mk \
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local.mk \
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nix-rust/local.mk \
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src/libutil/local.mk \
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src/libstore/local.mk \
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src/libmain/local.mk \
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59
nix-rust/Cargo.lock
generated
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59
nix-rust/Cargo.lock
generated
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@ -0,0 +1,59 @@
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[[package]]
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name = "cfg-if"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "filetime"
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version = "0.2.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
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"redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "libc"
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version = "0.2.50"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nix-rust"
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version = "0.1.0"
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dependencies = [
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"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
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"tar 0.4.22 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "redox_syscall"
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version = "0.1.51"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "tar"
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version = "0.4.22"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"filetime 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
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"redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
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"xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "xattr"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[metadata]
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"checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
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"checksum filetime 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a2df5c1a8c4be27e7707789dc42ae65976e60b394afd293d1419ab915833e646"
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"checksum libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)" = "aab692d7759f5cd8c859e169db98ae5b52c924add2af5fbbca11d12fefb567c1"
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"checksum redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)" = "423e376fffca3dfa06c9e9790a9ccd282fafb3cc6e6397d01dbf64f9bacc6b85"
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"checksum tar 0.4.22 (registry+https://github.com/rust-lang/crates.io-index)" = "c2167ff53da2a661702b3299f71a91b61b1dffef36b4b2884b1f9c67254c0133"
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"checksum xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"
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12
nix-rust/Cargo.toml
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12
nix-rust/Cargo.toml
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@ -0,0 +1,12 @@
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[package]
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name = "nix-rust"
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version = "0.1.0"
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authors = ["Eelco Dolstra <edolstra@gmail.com>"]
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[lib]
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name = "nixrust"
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crate-type = ["staticlib"]
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[dependencies]
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tar = "0.4"
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libc = "0.2"
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7
nix-rust/local.mk
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7
nix-rust/local.mk
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libnixrust_PATH := $(d)/target/release/libnixrust.a
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libnixrust_INSTALL_PATH := $(libnixrust_PATH)
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libnixrust_LDFLAGS_USE := -L$(d)/target/release -lnixrust -ldl
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libnixrust_LDFLAGS_USE_INSTALLED := $(libnixrust_LDFLAGS_USE)
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$(d)/target/release/libnixrust.a: $(wildcard $(d)/src/*.rs) $(d)/Cargo.toml
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$(trace-gen) cd nix-rust && RUSTC_BOOTSTRAP=1 cargo build --release && touch target/release/libnixrust.a
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48
nix-rust/src/lib.rs
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48
nix-rust/src/lib.rs
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@ -0,0 +1,48 @@
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extern crate libc;
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extern crate tar;
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use std::fs;
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use std::io;
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use std::os::unix::fs::OpenOptionsExt;
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use std::path::Path;
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use tar::Archive;
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#[no_mangle]
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pub extern "C" fn unpack_tarfile(data: &[u8], dest_dir: &str) -> bool {
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// FIXME: handle errors.
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let dest_dir = Path::new(dest_dir);
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let mut tar = Archive::new(data);
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for file in tar.entries().unwrap() {
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let mut file = file.unwrap();
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let dest_file = dest_dir.join(file.header().path().unwrap());
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fs::create_dir_all(dest_file.parent().unwrap()).unwrap();
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match file.header().entry_type() {
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tar::EntryType::Directory => {
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fs::create_dir(dest_file).unwrap();
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}
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tar::EntryType::Regular => {
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let mode = if file.header().mode().unwrap() & libc::S_IXUSR == 0 {
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0o666
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} else {
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0o777
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};
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let mut f = fs::OpenOptions::new()
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.create(true)
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.write(true)
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.mode(mode)
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.open(dest_file)
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.unwrap();
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io::copy(&mut file, &mut f).unwrap();
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}
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t => panic!("Unsupported tar entry type '{:?}'.", t),
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}
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}
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true
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}
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@ -51,6 +51,7 @@ rec {
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openssl pkgconfig sqlite boehmgc
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boost
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nlohmann_json
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rustc cargo
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# Tests
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git
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@ -7,7 +7,7 @@ with import ./release-common.nix { inherit pkgs; };
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(if useClang then clangStdenv else stdenv).mkDerivation {
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name = "nix";
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buildInputs = buildDeps ++ tarballDeps ++ perlDeps;
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buildInputs = buildDeps ++ tarballDeps ++ perlDeps ++ [ pkgs.rustfmt ];
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inherit configureFlags;
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@ -15,9 +15,9 @@ nix_SOURCES := \
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$(wildcard src/nix-prefetch-url/*.cc) \
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$(wildcard src/nix-store/*.cc) \
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nix_LIBS = libexpr libmain libstore libutil
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nix_LIBS = libexpr libmain libstore libutil libnixrust
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nix_LDFLAGS = -pthread $(SODIUM_LIBS) $(EDITLINE_LIBS) $(BOOST_LDFLAGS) -lboost_context -lboost_thread -lboost_system
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nix_LDFLAGS = -pthread $(SODIUM_LIBS) $(EDITLINE_LIBS) $(BOOST_LDFLAGS) -lboost_context -lboost_thread -lboost_system -Lnix-rust/target/release
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$(foreach name, \
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nix-build nix-channel nix-collect-garbage nix-copy-closure nix-daemon nix-env nix-hash nix-instantiate nix-prefetch-url nix-shell nix-store, \
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61
src/nix/test.cc
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61
src/nix/test.cc
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#include "command.hh"
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#include "store-api.hh"
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#include "common-args.hh"
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using namespace nix;
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namespace rust {
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// Depending on the internal representation of Rust slices is slightly
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// evil...
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template<typename T> struct Slice
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{
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const T * ptr;
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size_t size;
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Slice(const T * ptr, size_t size) : ptr(ptr), size(size)
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{
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assert(ptr);
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}
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};
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struct StringSlice : Slice<char>
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{
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StringSlice(const std::string & s): Slice(s.data(), s.size()) { }
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};
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}
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extern "C" {
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bool unpack_tarfile(rust::Slice<uint8_t> data, rust::StringSlice dest_dir);
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}
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struct CmdTest : StoreCommand
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{
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CmdTest()
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{
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}
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std::string name() override
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{
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return "test";
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}
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std::string description() override
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{
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return "bla bla";
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}
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void run(ref<Store> store) override
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{
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auto data = readFile("./nix-2.2.tar");
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std::string destDir = "./dest";
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deletePath(destDir);
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unpack_tarfile({(uint8_t*) data.data(), data.size()}, destDir);
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}
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};
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static RegisterCommand r(make_ref<CmdTest>());
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